381032963 has 2 divisors, whose sum is σ = 381032964. Its totient is φ = 381032962.

The previous prime is 381032959. The next prime is 381032969. The reversal of 381032963 is 369230183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 381032963 - 2² = 381032959 is a prime.

It is a super-2 number, since 2×381032963² = 290372237785118738, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is equal to p_20377844 and since 381032963 and 20377844 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (381032969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190516481 + 190516482.

It is an arithmetic number, because the mean of its divisors is an integer number (190516482).

Almost surely, 2^381032963 is an apocalyptic number.

381032963 is a deficient number, since it is larger than the sum of its proper divisors (1).

381032963 is an equidigital number, since it uses as much as digits as its factorization.

381032963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 381032963 is about 19520.0656505044. The cubic root of 381032963 is about 724.9713586783.

The spelling of 381032963 in words is "three hundred eighty-one million, thirty-two thousand, nine hundred sixty-three".